Mixing & Mastering Engineers, Producers & Songwriters who worked with Ralf Hartmann
Your tracks at their best at a fair price. Professionnal human ears with + 30 years expérience
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With over 3 million streams globally, my personal music is released under the name K-Ottic. I've written over 600 songs between ghostwriting and K-Ottic in 20 years, have opened for Snoop Dogg, Too Short, Zion I, Chiddy Bang, Andre Nickatina, and many more. I've toured with Gremlin, Enkay47, Afroman, Spose, Mac Lethal, Ekoh and Chris Webby.
Experienced Nashville studio singer/songwriter/producer/musician
Hi! Ive tracked drums for Sky Ferreira, Nick Jonas, Madison Beer, Debbie Dawson, Ashe/Finneas and more. Being Lorde's touring drummer since she began in 2013 has given me lots of experience crafting solid pop drum parts, I've also toured with Del Water Gap, Sky Ferreira, Passion Pit and others. I can do fast turn arounds in my home studio.
UMW Recordings Inc. is the leading global music distribution platform that helps independent artists and record labels release, protect, and monetize their music on more than 250 digital platforms.
Session Singer / Voiceover Artist / Songwriter who has worked with Post Malone, John Legend, Ariana Grande, Chaka Khan, Pat Benatar, Neil Gerardo, Fergie, Ciara, Leslie Odom Jr., and brands such as Google / YouTube, Spotify, AXE, NBC, ABC, FOX, and Sony Animation Studios. I recently competed on Season 21 of NBC's The Voice placing in the Top 32!
Hip-Hop / Techno music producer, DJ, Video producer and sound designer. I’ve made beats for Polish Artists like: Peja, ERO, PiH, Słoń, WSRH, Hemp Gru, Sheller and more.
Modern EDM vocalist / topliner / writer with a warm, expressive tone. Mainstage performer at EDC Mexico 2026 and Festival Vaivén 2025. Languages: English, German, Spanish. Up for any project across genres where my voice is a great fit. Let's create magic together that comes from the heart!
I specialize in rap and RnB music production. I have been producing and mixing for over 30 years.
Recent Successes
"Matty was recommended to me and it was the best thing getting in touch with him. He has rare qualities - an amazing musican, producer, sound engineer, intuitive, responsive, interpretative and understanding. I cannot ..."
"Prompt, professional, and patient. Sefi is pleasure to work with. He listens to the customer and delivers accordingly. Finally found the mastering engineer I've long searched for."
"This is the great job made by Sefi on my new song WALKING DEAD: https://www.youtube.com/watch?v=ojAWZdkO2bE You know what? I will have remix some of my previous songs too... he's so good!!! "
"The care and thoughtfulness of Blush's work is evidenced by the passion in her performance. Her melodic choices, harmonies, ad libs and vocal arrangements are otherworldly. She is easily one of, if not THE most, talen..."
"I tried Leo on one song and he definitely came thru. I came back to him for the next song and once again he performed well. Most of all I like his people skills. It is easy to communicate with this man! "
"Good team, good job."
"Mike is one of the kindest and greatest guys I've been ever worked with. Perhaps it is not only worth mentioning his amazing musical skills, but also he had the disposition for giving advise on other topics. I had ..."
"Eric is great to work with. He is super prompt in responding to emails, and gets the work done quickly. He worked patiently with me to get the sound I wanted and until I was sastisfied with the outcome. He is a real p..."
"Andrew did an amazing job with my tracks. He helped me through the entire process, arranging, recording, mixing, mastering, and was excellent at each part. He is very knowledgeable and has great artistic talent and ..."
"Reliable and "all in time making" person. Strongly recommend - Mix Master Mike."
"highly recommended. very skilled, creative, and good attention to detail. quick turnaround. professional. "
"This is top notch sound you can get on the planet, I'm working on my EP called 5012 and I had a song that had only one lead vocal with no single back-vocal nor adlibs with a strong beat but what Helik did to it is unr..."
